include/linux/threads.h defines a default value for CONFIG_NR_CPUS but suggests the architectures should always define it.
So do it, when CONFIG_SMP is not selected set CONFIG_NR_CPUS to 1. Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> --- arch/powerpc/platforms/Kconfig.cputype | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index f998e655b570..885140055b7a 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -476,9 +476,9 @@ config SMP If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-8192)" - range 2 8192 - depends on SMP + int "Maximum number of CPUs (2-8192)" if SMP + range 2 8192 if SMP + default "1" if !SMP default "32" if PPC64 default "4" -- 2.25.0